List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=566
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59150,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=567",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=565",
    "results": [
        {
            "id": 69860,
            "name": "Have a good game",
            "director": {
                "id": 841903,
                "username": "Clayton 2012",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/acf053bd9afd8eb70f1ce036e1cd7197?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 855.9249966897519,
                        "deviation": 65.68853498360008,
                        "volatility": 0.06007288177782305
                    }
                },
                "ranking": 11.315360920851413,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have a great game",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5351,
                "name": "2025vs ",
                "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 194,
                "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-08T01:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-08T03:57:45.289268Z",
            "ended": "2021-01-11T01:55:17.378506Z",
            "start_waiting": "2021-01-08T03:57:45.246234Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 68341,
            "name": "9x9 Lovers Double Elimination Tournament",
            "director": {
                "id": 508594,
                "username": "Kampinkarl1",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/7cceb0191a16caacbcd28f303e6b72ac-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1459.7204371363496,
                        "deviation": 67.42639978843152,
                        "volatility": 0.060125611186152214
                    }
                },
                "ranking": 23.673235197189392,
                "professional": false,
                "ui_class": ""
            },
            "description": "Make sure that you agree with the timing, elimination, pairing, and ranking settings before joining.\n\nThis is a Chinese rules double elimination tournament open to anyone in the 9x9 Lovers group.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 90240,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 345600,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 696,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-06T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-12-06T18:00:42.732457Z",
            "ended": "2021-01-17T14:06:05.300288Z",
            "start_waiting": "2020-12-06T18:00:42.365265Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 55366,
            "name": "Black Beard Monthly",
            "director": {
                "id": 492478,
                "username": "Sand Badger",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/297ca2f592e906aa067f45361a8be326-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1865.8537435108244,
                        "deviation": 60.78447771355896,
                        "volatility": 0.05991702727497
                    }
                },
                "ranking": 29.355953289799267,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tourney to separate the true pirates from sea snowflakes. None of that in-game-analysis bs either.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4320,
                "name": "Pirate Go",
                "summary": "A group for OGS Pirates.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 43,
                "icon": "https://user-uploads.online-go.com/b1c15c1b207f8809858da342f487ad98-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-01-14T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-01-14T20:00:18.104515Z",
            "ended": "2021-01-07T20:51:48.103642Z",
            "start_waiting": "2020-01-14T20:00:16.036315Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b1c15c1b207f8809858da342f487ad98-15.png",
            "player_count": 29,
            "ranked": true
        },
        {
            "id": 72016,
            "name": "2月歷碁賽 第二輪 林晉楷 VS 王一甫",
            "director": {
                "id": 928963,
                "username": "傳碁學園-歷碁賽",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "2月歷碁賽 第二輪 林晉楷 VS 王一甫",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1500
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8175,
                "name": "歷碁賽 A組",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 9,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-02-28T09:15:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-02-28T08:59:53.505069Z",
            "ended": "2021-02-28T09:39:32.160311Z",
            "start_waiting": "2021-02-28T08:59:53.449656Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 69852,
            "name": "Correspondence 9x9 RoundRobin 2021-01-08 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260327T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-03-27T19:00:09.855866Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-03-30T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2021-01-08T19:00:00.297917Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-01-08T19:00:05.224583Z",
            "ended": "2021-01-28T06:00:43.276256Z",
            "start_waiting": "2021-01-08T19:00:01.924492Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 56907,
            "name": "100 of Us",
            "director": {
                "id": 444278,
                "username": "Haze with a Z",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/02656380a3a787e02316603bdfc6be88-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1029.8388188079111,
                        "deviation": 67.94999787085683,
                        "volatility": 0.060040733701657904
                    }
                },
                "ranking": 15.597528253196192,
                "professional": false,
                "ui_class": ""
            },
            "description": "A challenge with 100 of us, all in one 9x9 tournament.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4456,
                "name": "Our Go House",
                "summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 159,
                "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-16T04:00:00Z",
            "players_start": 100,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-13T18:23:27.274867Z",
            "ended": "2021-01-12T22:19:06.090508Z",
            "start_waiting": "2020-04-13T18:23:22.262595Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png",
            "player_count": 100,
            "ranked": true
        },
        {
            "id": 70196,
            "name": "方航 VS 林可淇",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "方航 VS 林可淇",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 10,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6399,
                "name": "傳碁 B班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 53,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-01-16T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-01-16T08:30:27.114786Z",
            "ended": "2021-01-16T09:01:45.496183Z",
            "start_waiting": "2021-01-16T08:30:27.017864Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 59738,
            "name": "First tournament",
            "director": {
                "id": 578717,
                "username": "ubarnel",
                "country": "fr",
                "icon": "https://secure.gravatar.com/avatar/67bf75aba7119b1e5de188c76ae42337?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 932.9242252293242,
                        "deviation": 65.42636935700837,
                        "volatility": 0.06002105676904603
                    }
                },
                "ranking": 13.309530387844772,
                "professional": false,
                "ui_class": ""
            },
            "description": "Little first tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 113280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5465,
                "name": "The pros",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 5,
                "icon": "https://user-uploads.online-go.com/ca16e6208d6925514457f69d24e86e07-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-28T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-28T07:00:03.519180Z",
            "ended": "2021-02-24T23:59:03.548853Z",
            "start_waiting": "2020-04-28T07:00:03.074418Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ca16e6208d6925514457f69d24e86e07-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 67079,
            "name": "free tournament",
            "director": {
                "id": 862791,
                "username": "231080",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/d904e8e57d43bafc3ff10f36c7c64f6d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 844.9276908703528,
                        "deviation": 70.6659630244116,
                        "volatility": 0.059995792128923434
                    }
                },
                "ranking": 11.01599204612355,
                "professional": false,
                "ui_class": ""
            },
            "description": "best player no rank but great you guys are free if you join\nim insane jk",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7150,
                "name": "OGS Legends",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-26T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-27T22:42:09.928067Z",
            "ended": "2021-01-08T19:56:06.025749Z",
            "start_waiting": "2020-10-27T22:42:09.738916Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 70243,
            "name": "Sunday tournament",
            "director": {
                "id": 56637,
                "username": "milanm",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1643.9203265112742,
                        "deviation": 67.26961553195976,
                        "volatility": 0.0599302589793867
                    }
                },
                "ranking": 26.42435564642037,
                "professional": false,
                "ui_class": "aga"
            },
            "description": "weekly 9x9 tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 20,
                "initial_time": 120,
                "max_time": 120
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5803,
                "name": "Massachusetts Go Foundation",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 49,
                "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-17T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-01-17T18:00:09.363852Z",
            "ended": "2021-01-17T19:02:10.778874Z",
            "start_waiting": "2021-01-17T18:00:08.690025Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}